Remove core from apples. Place two tbsp brown sugar, 1 tsp margarine and 1/8 tsp cinnamon in the center of each apple. Fill the CanCooker to ¼ inch depth with water. Place rack in CanCooker. Place apples on rack. Latch lid, heat on medium/low heat and steam for 5-10 minutes - depending on size of apples. Turn off heat and let stand for 5-10 minutes.